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authorParménides GV <parmegv@sdf.org>2014-10-10 10:23:23 +0200
committerParménides GV <parmegv@sdf.org>2014-10-10 10:23:23 +0200
commitbe4879b5f19d9c736fa3bcefdfabbe119cd9391f (patch)
tree4ee2cb7bd7ab31ae249f1bd408f6912bdab9dc8e /app/src/release/java/se/leap
parent5bb1d3baf93c76e7ec70a8abd5584c33f75383b8 (diff)
ProviderAPI refactoring.
Authenticate and Register methods are now renamed and split. It's much more readable, the new emacs-default indentation helps to that too.
Diffstat (limited to 'app/src/release/java/se/leap')
-rw-r--r--app/src/release/java/se/leap/bitmaskclient/ProviderAPI.java229
1 files changed, 98 insertions, 131 deletions
diff --git a/app/src/release/java/se/leap/bitmaskclient/ProviderAPI.java b/app/src/release/java/se/leap/bitmaskclient/ProviderAPI.java
index d97a67c8..3c8ec607 100644
--- a/app/src/release/java/se/leap/bitmaskclient/ProviderAPI.java
+++ b/app/src/release/java/se/leap/bitmaskclient/ProviderAPI.java
@@ -14,15 +14,12 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
- package se.leap.bitmaskclient;
-
-
-
+package se.leap.bitmaskclient;
import android.app.IntentService;
import android.content.Intent;
+import android.content.SharedPreferences;
import android.os.Bundle;
-import android.os.Handler;
import android.os.ResultReceiver;
import android.util.Base64;
import android.util.Log;
@@ -69,10 +66,8 @@ import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
import org.apache.http.client.ClientProtocolException;
-import org.jboss.security.srp.SRPParameters;
import org.json.JSONException;
import org.json.JSONObject;
-import se.leap.bitmaskclient.ProviderListContent.ProviderItem;
import se.leap.bitmaskclient.R;
@@ -87,8 +82,6 @@ import se.leap.bitmaskclient.R;
*/
public class ProviderAPI extends IntentService {
- private Handler mHandler;
-
final public static String
SET_UP_PROVIDER = "setUpProvider",
DOWNLOAD_NEW_PROVIDER_DOTJSON = "downloadNewProviderDotJSON",
@@ -131,6 +124,7 @@ public class ProviderAPI extends IntentService {
private static String last_provider_main_url;
private static boolean setting_up_provider = true;
+ private static SharedPreferences preferences;
public static void stop() {
setting_up_provider = false;
@@ -141,12 +135,12 @@ public class ProviderAPI extends IntentService {
Log.v("ClassName", "Provider API");
}
- @Override
- public void onCreate() {
- super.onCreate();
- mHandler = new Handler();
- CookieHandler.setDefault(new CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER) );
- }
+ @Override
+ public void onCreate() {
+ super.onCreate();
+ preferences = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE);
+ CookieHandler.setDefault(new CookieManager(null, CookiePolicy.ACCEPT_ORIGINAL_SERVER));
+ }
public static String lastProviderMainUrl() {
return last_provider_main_url;
@@ -173,19 +167,19 @@ public class ProviderAPI extends IntentService {
}
}
} else if (action.equalsIgnoreCase(SRP_REGISTER)) {
- Bundle session_id_bundle = registerWithSRP(parameters);
- if(session_id_bundle.getBoolean(RESULT_KEY)) {
- receiver.send(SRP_REGISTRATION_SUCCESSFUL, session_id_bundle);
+ Bundle result = tryToRegister(parameters);
+ if(result.getBoolean(RESULT_KEY)) {
+ receiver.send(SRP_REGISTRATION_SUCCESSFUL, result);
} else {
- receiver.send(SRP_REGISTRATION_FAILED, session_id_bundle);
+ receiver.send(SRP_REGISTRATION_FAILED, result);
}
} else if (action.equalsIgnoreCase(SRP_AUTH)) {
- Bundle session_id_bundle = authenticateBySRP(parameters);
- if(session_id_bundle.getBoolean(RESULT_KEY)) {
- receiver.send(SRP_AUTHENTICATION_SUCCESSFUL, session_id_bundle);
- } else {
- receiver.send(SRP_AUTHENTICATION_FAILED, session_id_bundle);
- }
+ Bundle result = tryToAuthenticate(parameters);
+ if(result.getBoolean(RESULT_KEY)) {
+ receiver.send(SRP_AUTHENTICATION_SUCCESSFUL, result);
+ } else {
+ receiver.send(SRP_AUTHENTICATION_FAILED, result);
+ }
} else if (action.equalsIgnoreCase(LOG_OUT)) {
if(logOut(parameters)) {
receiver.send(LOGOUT_SUCCESSFUL, Bundle.EMPTY);
@@ -193,7 +187,6 @@ public class ProviderAPI extends IntentService {
receiver.send(LOGOUT_FAILED, Bundle.EMPTY);
}
} else if (action.equalsIgnoreCase(DOWNLOAD_CERTIFICATE)) {
- Log.d(TAG, "action.equalsIgnoreCase(DOWNLOAD_CERTIFICATE)");
if(updateVpnCertificate()) {
receiver.send(CORRECTLY_DOWNLOADED_CERTIFICATE, Bundle.EMPTY);
} else {
@@ -202,7 +195,7 @@ public class ProviderAPI extends IntentService {
}
}
- private Bundle registerWithSRP(Bundle task) {
+ private Bundle tryToRegister(Bundle task) {
Bundle session_id_bundle = new Bundle();
int progress = 0;
@@ -210,23 +203,7 @@ public class ProviderAPI extends IntentService {
String password = (String) task.get(LogInDialog.PASSWORD);
String authentication_server = (String) task.get(Provider.API_URL);
if(validUserLoginData(username, password)) {
-
- SRPParameters params = new SRPParameters(new BigInteger(ConfigHelper.NG_1024, 16).toByteArray(), ConfigHelper.G.toByteArray(), BigInteger.ZERO.toByteArray(), "SHA-256");
- LeapSRPSession client = new LeapSRPSession(username, password, params);
- byte[] salt = ConfigHelper.trim(client.calculateNewSalt());
- // byte[] salted_password = client.calculatePasswordHash(username, password, salt);
- /* Calculate password verifier */
- BigInteger password_verifier = client.calculateV(username, password, salt);
- /* Send to the server */
- JSONObject result = sendNewUserDataToSRPServer(authentication_server, username, new BigInteger(1, salt).toString(16), password_verifier.toString(16));
- if(result.has(ERRORS))
- session_id_bundle = authFailedNotification(result, username);
- else {
- session_id_bundle.putString(LogInDialog.USERNAME, username);
- session_id_bundle.putString(LogInDialog.PASSWORD, password);
- session_id_bundle.putBoolean(RESULT_KEY, true);
- }
- Log.d(TAG, result.toString());
+ session_id_bundle = register(username, password, authentication_server);
broadcast_progress(progress++);
} else {
if(!wellFormedPassword(password)) {
@@ -242,6 +219,25 @@ public class ProviderAPI extends IntentService {
return session_id_bundle;
}
+
+ private Bundle register(String username, String password, String server) {
+ LeapSRPSession client = new LeapSRPSession(username, password);
+ byte[] salt = client.calculateNewSalt();
+
+ BigInteger password_verifier = client.calculateV(username, password, salt);
+ JSONObject api_result = sendNewUserDataToSRPServer(server, username, new BigInteger(1, salt).toString(16), password_verifier.toString(16));
+
+ Bundle result = new Bundle();
+ if(api_result.has(ERRORS))
+ result = authFailedNotification(api_result, username);
+ else {
+ result.putString(LogInDialog.USERNAME, username);
+ result.putString(LogInDialog.PASSWORD, password);
+ result.putBoolean(RESULT_KEY, true);
+ }
+
+ return result;
+ }
/**
* Starts the authentication process using SRP protocol.
@@ -249,63 +245,66 @@ public class ProviderAPI extends IntentService {
* @param task containing: username, password and api url.
* @return a bundle with a boolean value mapped to a key named RESULT_KEY, and which is true if authentication was successful.
*/
- private Bundle authenticateBySRP(Bundle task) {
- Bundle session_id_bundle = new Bundle();
+ private Bundle tryToAuthenticate(Bundle task) {
+ Bundle result = new Bundle();
int progress = 0;
String username = (String) task.get(LogInDialog.USERNAME);
String password = (String) task.get(LogInDialog.PASSWORD);
if(validUserLoginData(username, password)) {
- String authentication_server = (String) task.get(Provider.API_URL);
- JSONObject authentication_step_result = new JSONObject();
+ String server = (String) task.get(Provider.API_URL);
- SRPParameters params = new SRPParameters(new BigInteger(ConfigHelper.NG_1024, 16).toByteArray(), ConfigHelper.G.toByteArray(), BigInteger.ZERO.toByteArray(), "SHA-256");
- LeapSRPSession client = new LeapSRPSession(username, password, params);
- byte[] A = client.exponential();
- broadcast_progress(progress++);
- authentication_step_result = sendAToSRPServer(authentication_server, username, new BigInteger(1, A).toString(16));
- try {
- String salt = authentication_step_result.getString(LeapSRPSession.SALT);
- broadcast_progress(progress++);
- byte[] Bbytes = new BigInteger(authentication_step_result.getString("B"), 16).toByteArray();
- byte[] M1 = client.response(new BigInteger(salt, 16).toByteArray(), Bbytes);
- if(M1 != null) {
- broadcast_progress(progress++);
- authentication_step_result = sendM1ToSRPServer(authentication_server, username, M1);
- setTokenIfAvailable(authentication_step_result);
- byte[] M2 = new BigInteger(authentication_step_result.getString(LeapSRPSession.M2), 16).toByteArray();
- if(client.verify(M2)) {
- session_id_bundle.putBoolean(RESULT_KEY, true);
- broadcast_progress(progress++);
- } else {
- authFailedNotification(authentication_step_result, username);
- }
- } else {
- session_id_bundle.putBoolean(RESULT_KEY, false);
- session_id_bundle.putString(LogInDialog.USERNAME, username);
- session_id_bundle.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_srp_math_error_user_message));
- }
- } catch (JSONException e) {
- session_id_bundle = authFailedNotification(authentication_step_result, username);
- e.printStackTrace();
- }
+ authenticate(username, password, server);
broadcast_progress(progress++);
} else {
if(!wellFormedPassword(password)) {
- session_id_bundle.putBoolean(RESULT_KEY, false);
- session_id_bundle.putString(LogInDialog.USERNAME, username);
- session_id_bundle.putBoolean(LogInDialog.PASSWORD_INVALID_LENGTH, true);
+ result.putBoolean(RESULT_KEY, false);
+ result.putString(LogInDialog.USERNAME, username);
+ result.putBoolean(LogInDialog.PASSWORD_INVALID_LENGTH, true);
}
if(username.isEmpty()) {
- session_id_bundle.putBoolean(RESULT_KEY, false);
- session_id_bundle.putBoolean(LogInDialog.USERNAME_MISSING, true);
+ result.putBoolean(RESULT_KEY, false);
+ result.putBoolean(LogInDialog.USERNAME_MISSING, true);
}
}
- return session_id_bundle;
+ return result;
}
+ private Bundle authenticate(String username, String password, String server) {
+ Bundle result = new Bundle();
+
+ LeapSRPSession client = new LeapSRPSession(username, password);
+ byte[] A = client.exponential();
+
+ JSONObject step_result = sendAToSRPServer(server, username, new BigInteger(1, A).toString(16));
+ try {
+ String salt = step_result.getString(LeapSRPSession.SALT);
+ byte[] Bbytes = new BigInteger(step_result.getString("B"), 16).toByteArray();
+ byte[] M1 = client.response(new BigInteger(salt, 16).toByteArray(), Bbytes);
+ if(M1 != null) {
+ step_result = sendM1ToSRPServer(server, username, M1);
+ setTokenIfAvailable(step_result);
+ byte[] M2 = new BigInteger(step_result.getString(LeapSRPSession.M2), 16).toByteArray();
+ if(client.verify(M2)) {
+ result.putBoolean(RESULT_KEY, true);
+ } else {
+ authFailedNotification(step_result, username);
+ }
+ } else {
+ result.putBoolean(RESULT_KEY, false);
+ result.putString(LogInDialog.USERNAME, username);
+ result.putString(getResources().getString(R.string.user_message), getResources().getString(R.string.error_srp_math_error_user_message));
+ }
+ } catch (JSONException e) {
+ result = authFailedNotification(step_result, username);
+ e.printStackTrace();
+ }
+
+ return result;
+ }
+
private boolean setTokenIfAvailable(JSONObject authentication_step_result) {
try {
LeapSRPSession.setToken(authentication_step_result.getString(LeapSRPSession.TOKEN));
@@ -370,13 +369,6 @@ public class ProviderAPI extends IntentService {
* @param username
* @param clientA First SRP parameter sent
* @return response from authentication server
- * @throws ClientProtocolException
- * @throws IOException
- * @throws JSONException
- * @throws CertificateException
- * @throws NoSuchAlgorithmException
- * @throws KeyStoreException
- * @throws KeyManagementException
*/
private JSONObject sendAToSRPServer(String server_url, String username, String clientA) {
Map<String, String> parameters = new HashMap<String, String>();
@@ -391,13 +383,6 @@ public class ProviderAPI extends IntentService {
* @param username
* @param m1 Second SRP parameter sent
* @return response from authentication server
- * @throws ClientProtocolException
- * @throws IOException
- * @throws JSONException
- * @throws CertificateException
- * @throws NoSuchAlgorithmException
- * @throws KeyStoreException
- * @throws KeyManagementException
*/
private JSONObject sendM1ToSRPServer(String server_url, String username, byte[] m1) {
Map<String, String> parameters = new HashMap<String, String>();
@@ -412,13 +397,6 @@ public class ProviderAPI extends IntentService {
* @param salted_password
* @param password_verifier
* @return response from authentication server
- * @throws ClientProtocolException
- * @throws IOException
- * @throws JSONException
- * @throws CertificateException
- * @throws NoSuchAlgorithmException
- * @throws KeyStoreException
- * @throws KeyManagementException
*/
private JSONObject sendNewUserDataToSRPServer(String server_url, String username, String salt, String password_verifier) {
Map<String, String> parameters = new HashMap<String, String>();
@@ -436,13 +414,6 @@ public class ProviderAPI extends IntentService {
* @param request_method
* @param parameters
* @return response from authentication server
- * @throws IOException
- * @throws JSONException
- * @throws MalformedURLException
- * @throws CertificateException
- * @throws NoSuchAlgorithmException
- * @throws KeyStoreException
- * @throws KeyManagementException
*/
private JSONObject sendToServer(String url, String request_method, Map<String, String> parameters) {
JSONObject json_response;
@@ -570,13 +541,13 @@ public class ProviderAPI extends IntentService {
private Bundle downloadCACert() {
Bundle result = new Bundle();
try {
- JSONObject provider_json = new JSONObject(getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getString(Provider.KEY, ""));
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
String ca_cert_url = provider_json.getString(Provider.CA_CERT_URI);
String cert_string = downloadWithCommercialCA(ca_cert_url);
result.putBoolean(RESULT_KEY, true);
if(validCertificate(cert_string) && setting_up_provider) {
- getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(Provider.CA_CERT, cert_string).commit();
+ preferences.edit().putString(Provider.CA_CERT, cert_string).commit();
result.putBoolean(RESULT_KEY, true);
} else {
String reason_to_fail = pickErrorMessage(cert_string);
@@ -602,7 +573,7 @@ public class ProviderAPI extends IntentService {
if(!ConfigHelper.checkErroneousDownload(cert_string)) {
X509Certificate certificate = ConfigHelper.parseX509CertificateFromString(cert_string);
try {
- JSONObject provider_json = new JSONObject(getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getString(Provider.KEY, ""));
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
String fingerprint = provider_json.getString(Provider.CA_CERT_FINGERPRINT);
String encoding = fingerprint.split(":")[0];
String expected_fingerprint = fingerprint.split(":")[1];
@@ -646,9 +617,9 @@ public class ProviderAPI extends IntentService {
String name = provider_json.getString(Provider.NAME);
//TODO setProviderName(name);
- getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(Provider.KEY, provider_json.toString()).commit();
- getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putBoolean(EIP.ALLOWED_ANON, provider_json.getJSONObject(Provider.SERVICE).getBoolean(EIP.ALLOWED_ANON)).commit();
- getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putBoolean(EIP.ALLOWED_REGISTERED, provider_json.getJSONObject(Provider.SERVICE).getBoolean(EIP.ALLOWED_REGISTERED)).commit();
+ preferences.edit().putString(Provider.KEY, provider_json.toString()).commit();
+ preferences.edit().putBoolean(EIP.ALLOWED_ANON, provider_json.getJSONObject(Provider.SERVICE).getBoolean(EIP.ALLOWED_ANON)).commit();
+ preferences.edit().putBoolean(EIP.ALLOWED_REGISTERED, provider_json.getJSONObject(Provider.SERVICE).getBoolean(EIP.ALLOWED_REGISTERED)).commit();
result.putBoolean(RESULT_KEY, true);
} catch (JSONException e) {
@@ -672,13 +643,13 @@ public class ProviderAPI extends IntentService {
String eip_service_json_string = "";
if(setting_up_provider) {
try {
- JSONObject provider_json = new JSONObject(getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getString(Provider.KEY, ""));
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
String eip_service_url = provider_json.getString(Provider.API_URL) + "/" + provider_json.getString(Provider.API_VERSION) + "/" + EIP.SERVICE_API_PATH;
eip_service_json_string = downloadWithProviderCA(eip_service_url);
JSONObject eip_service_json = new JSONObject(eip_service_json_string);
eip_service_json.getInt(Provider.API_RETURN_SERIAL);
- getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(EIP.KEY, eip_service_json.toString()).commit();
+ preferences.edit().putString(EIP.KEY, eip_service_json.toString()).commit();
result.putBoolean(RESULT_KEY, true);
} catch (JSONException e) {
@@ -798,7 +769,7 @@ public class ProviderAPI extends IntentService {
}
private javax.net.ssl.SSLSocketFactory getProviderSSLSocketFactory() throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException, KeyManagementException {
- String provider_cert_string = getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getString(Provider.CA_CERT,"");
+ String provider_cert_string = preferences.getString(Provider.CA_CERT,"");
java.security.cert.Certificate provider_certificate = ConfigHelper.parseX509CertificateFromString(provider_cert_string);
@@ -923,7 +894,7 @@ public class ProviderAPI extends IntentService {
private boolean updateVpnCertificate() {
getNewCert();
- getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putInt(EIP.PARSED_SERIAL, 0).commit();
+ preferences.edit().putInt(EIP.PARSED_SERIAL, 0).commit();
Intent updateEIP = new Intent(getApplicationContext(), EIP.class);
updateEIP.setAction(EIP.ACTION_UPDATE_EIP_SERVICE);
startService(updateEIP);
@@ -939,7 +910,7 @@ public class ProviderAPI extends IntentService {
private boolean getNewCert() {
try {
- JSONObject provider_json = new JSONObject(getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).getString(Provider.KEY, ""));
+ JSONObject provider_json = new JSONObject(preferences.getString(Provider.KEY, ""));
String provider_main_url = provider_json.getString(Provider.API_URL);
URL new_cert_string_url = new URL(provider_main_url + "/" + provider_json.getString(Provider.API_VERSION) + "/" + EIP.CERTIFICATE);
@@ -968,12 +939,12 @@ public class ProviderAPI extends IntentService {
try {
RSAPrivateKey keyCert = ConfigHelper.parseRsaKeyFromString(keyString);
keyString = Base64.encodeToString( keyCert.getEncoded(), Base64.DEFAULT );
- getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(EIP.PRIVATE_KEY, "-----BEGIN RSA PRIVATE KEY-----\n"+keyString+"-----END RSA PRIVATE KEY-----").commit();
+ preferences.edit().putString(EIP.PRIVATE_KEY, "-----BEGIN RSA PRIVATE KEY-----\n"+keyString+"-----END RSA PRIVATE KEY-----").commit();
X509Certificate certCert = ConfigHelper.parseX509CertificateFromString(certificateString);
certificateString = Base64.encodeToString( certCert.getEncoded(), Base64.DEFAULT);
- getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(EIP.CERTIFICATE, "-----BEGIN CERTIFICATE-----\n"+certificateString+"-----END CERTIFICATE-----").commit();
- getSharedPreferences(Dashboard.SHARED_PREFERENCES, MODE_PRIVATE).edit().putString(EIP.DATE_FROM_CERTIFICATE, EIP.certificate_date_format.format(Calendar.getInstance().getTime())).commit();
+ preferences.edit().putString(EIP.CERTIFICATE, "-----BEGIN CERTIFICATE-----\n"+certificateString+"-----END CERTIFICATE-----").commit();
+ preferences.edit().putString(EIP.DATE_FROM_CERTIFICATE, EIP.certificate_date_format.format(Calendar.getInstance().getTime())).commit();
return true;
} catch (CertificateException e) {
// TODO Auto-generated catch block
@@ -992,10 +963,6 @@ public class ProviderAPI extends IntentService {
// TODO Auto-generated catch block
e.printStackTrace();
return false;
- } /*catch (URISyntaxException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- return false;
- }*/
+ }
}
}